Parameter | ≤ 7 days | 8–14 days | > 14 days | p1 value | ||
---|---|---|---|---|---|---|
No.(%) | No.(%) | p2 value | No.(%) | p3 value | ||
Total No. | 651 | 349 | 151 | Â | ||
Age | 644 | 345 | < 0.001 | 150 | < 0.001 | < 0.001 |
 < 3 m | 3(0.46) | 6(1.74) |  | 3(2.00) |  |  |
 3 m−1y | 72(11.18) | 102(29.56) |  | 64(42.67) |  |  |
 1−2y | 125(19.41) | 93(26.96) |  | 44(29.33) |  |  |
 2−5y | 327(50.78) | 111(32.17) |  | 33(22.00) |  |  |
 ≥ 5y | 117(18.17) | 33(9.57) |  | 6(4.00) |  |  |
X-ray | 439 | 305 | < 0.001 | 148 | < 0.001 | < 0.001 |
 Normal | 201(45.78) | 47(15.41) |  | 5(3.38) |  |  |
 aOne side | 64(14.58) | 53(17.38) |  | 6(4.05) |  |  |
 bBoth side | 174(39.64) | 205(67.21) |  | 137(92.57) |  |  |
High fever(≥ 39°C) | 651 | 349 | < 0.001 | 151 | < 0.001 | < 0.001 |
297(45.62) | 256(73.35) | Â | 127(84.11) | Â | Â | |
Blood system | Â | Â | Â | Â | Â | Â |
Abnormal RBC count | 150(24.47) | 98(28.74) | 0.423 | 49(35.58) | 0.022 | 0.064 |
Abnormal Hb | 174(28.20) | 118(34.50) | 0.309 | 57(44.88) | 0.013 | 0.041 |
Abnormal WBC count | 187(30.21) | 114(33.33) | 0.648 | 57(47.24) | 0.013 | 0.029 |
Abnormal Neutrophil(%) | 214(34.63) | 168(49.12) | 0.045 | 83(65.87) | < 0.001 | < 0.001 |
Abnormal lymphocyte(%) | 150(24.35) | 94(27.49) | 0.626 | 63(50.50) | < 0.001 | < 0.001 |
Abnormal CRP | 571(98.45) | 332(98.52) | 0.561 | 122(97.60) | 1 | 0.816 |
Liver function | Â | Â | Â | Â | Â | Â |
Abnormal AST | 115(18.91) | 133(39.12) | < 0.001 | 81(54.36) | < 0.001 | < 0.001 |
Abnormal ALT | 58(9.54) | 37(10.88) | 0.509 | 35(23.49) | < 0.001 | < 0.001 |
Kidney function | Â | Â | Â | Â | Â | Â |
Abnormal Creatinine | 2(0.33) | 4(1.18) | 0.113 | 1(0.67) | 0.553 | 0.288 |
Abnormal Urea | 50(8.20) | 34(10.00) | 0.348 | 15(10.00) | 0.479 | 0.583 |
Abnormal Albumin | 126(20.59) | 112(32.75) | < 0.001 | 79(52.67) | < 0.001 | < 0.001 |
Myocardial injury | Â | Â | Â | Â | Â | Â |
Abnormal TnI | 14(2.35) | 19(5.78) | 0.149 | 28(24.56) | < 0.001 | < 0.001 |
Abnormal CKMB | 49(8.24) | 30(9.09) | 0.800 | 16(14.04) | 0.175 | 0.328 |
Abnormal BNP | 6(1.76) | 5(2.87) | 0.651 | 6(8.96) | 0.030 | 0.040 |
Blood gas analysis | Â | Â | Â | Â | Â | Â |
Abnormal PH | 66(47.48) | 49(38.28) | 0.198 | 50(46.73) | 1.000 | 0.334 |
Abnormal PaO2 | 102(73.38) | 88(68.75) | 0.533 | 91(85.05) | 0.037 | 0.023 |
Abnormal SPO2 | 21(15.11) | 17(13.28) | 0.684 | 31(28.97) | 0.017 | 0.007 |